Script Summary: Turns the submit button into a unicorn and the preview button into a narwhal (100 px version)
This is an updated version of the unicorn version of this script, with 100px buttons instead of 75px and including the narwhal submit button.
The original context for why this was created was this comment.
Image credit: Cubecrazy2
Version 2.0: Updated to run on https: versions of the site.